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What Is Exomind?

A Guide to ExoTMS and How It Works

26 September 20269 min readBy Dr DineshFounder & Medical DirectorDr. D Signature Clinic
How ExoTMS Works

A Simplified Patient Explanation of Electromagnetic Induction

EXOMIND Coil / Applicator

Delivers rapidly changing magnetic fields.

Targeted Cortical Tissue

1. Magnetic field passes through the scalp and skull. 2. A changing field induces electrical currents. 3. Neurons and connected circuits are stimulated. 4. Repeated stimulation can modulate neural activity.

What this does not mean: TMS does not place an electrode or implant inside the brain. The clinical effect depends on the exact target, stimulation parameters, indication and patient.

Figure 1. Simplified explanation of how ExoTMS uses electromagnetic induction to stimulate targeted cortical tissue.

Important distinction

EXOMIND is BTL's branded implementation of TMS. The established clinical evidence base is broader for TMS as a treatment class than for every EXOMIND indication.

Quick Answer

EXOMIND is BTL's medical device system for delivering repetitive transcranial magnetic stimulation (rTMS) using its proprietary ExoTMS technology. TMS uses rapidly changing magnetic fields to induce electrical currents in targeted cortical tissue without an incision or implanted electrode. In Malaysia, EXOMIND is registered as a medical device, but the relevant question for a patient is not simply whether the device is registered. It is whether the proposed indication, protocol and patient selection are appropriate for that person.

Key Takeaways

EXOMIND is a branded implementation of TMS, not a separate category of brain stimulation.
The magnetic field passes through the scalp and skull and can influence activity in targeted cortical networks.
Published ExoTMS studies commonly use short courses of four to six sessions, but the exact schedule depends on the indication and protocol.
TMS has a much broader clinical evidence base than the newer device-specific ExoTMS literature.
Safety depends on screening, stimulation parameters, implants, seizure risk and the patient's medical history.
In Malaysia, the current Medical Device Authority registration should be checked against the exact proposed use.

When I discuss a newer brain-stimulation technology with a patient, I try not to start with the machine. I start with the problem we are trying to address. Then I ask what biological target we are trying to influence, what human evidence exists for that exact use, and what we still do not know. That distinction matters with EXOMIND because the evidence for TMS as a treatment class is broader than the evidence for every newer ExoTMS application.

Dr. D's perspective

Dr. Dinesh, Dr. D Signature Clinic
Dr. Dinesh, Dr. D Signature Clinic
01

1. What Is EXOMIND and What Does ExoTMS Mean?

EXOMIND is BTL's device/system for delivering repetitive transcranial magnetic stimulation. ExoTMS is BTL's proprietary implementation of TMS. The underlying principle remains electromagnetic induction: a coil produces rapidly changing magnetic fields that induce electrical currents in the brain.[1][2][3]

The useful distinction is simple. TMS is the broader treatment technology; ExoTMS is BTL's particular technology and delivery system. That means evidence about TMS cannot automatically be treated as evidence for every EXOMIND claim.

For patients in Malaysia, EXOMIND appears in the Malaysian Medical Device Register under BTL Industries Malaysia Sdn Bhd, with registration shown as valid from 15 April 2025 to 14 April 2030. Registration is a regulatory status for a medical device. It is not, by itself, proof that every proposed use is effective or appropriate for every patient.[1]

TermWhat It Refers ToWhat It Does Not Mean
TMS / rTMSThe broader technology and treatment class using magnetic stimulation.Not one single device or one universal protocol.
ExoTMSBTL's proprietary TMS technology and delivery approach.Not a separate biological mechanism from TMS.
EXOMINDBTL's medical device/system used to deliver ExoTMS.Not a medication, implant or surgical procedure.
02

2. How Does TMS-Based Neuromodulation Work?

A TMS coil produces a rapidly changing magnetic field. Because a changing magnetic field can induce an electrical current, the field can stimulate neurons in the underlying cortex without placing an electrode inside the skull. Repeated stimulation can change cortical excitability and influence connected neural networks.[4][5]

The target depends on the clinical protocol. Published EXOMIND studies have commonly targeted the left dorsolateral prefrontal cortex, a region involved in networks supporting executive function, emotional regulation and other higher-order processes. It is better to think of TMS as influencing a targeted part of a connected network rather than as switching a single 'brain centre' on or off.[4][6]

This is also why the word neuromodulation is useful. The goal is not to damage or remove brain tissue. It is to alter neural activity using a controlled physical stimulus.

Figure 1

How ExoTMS Uses Electromagnetic Induction to Stimulate Targeted Cortical Tissue

1

Coil / Applicator

Delivers rapidly changing magnetic fields.

2

Changing Magnetic Field

The field passes through the scalp and skull and induces electrical currents.

3

Targeted Cortical Tissue

Neurons and connected circuits are stimulated.

4

Repeated Stimulation

Can modulate neural activity over a course of treatment.

What this does not mean: TMS does not place an electrode or implant inside the brain. The clinical effect depends on the exact target, stimulation parameters, indication and patient.

Important distinction: EXOMIND is BTL's branded implementation of TMS. The established clinical evidence base is broader for TMS as a treatment class than for every EXOMIND indication.

03

3. What Happens During an EXOMIND Session?

Before treatment, the clinician should establish the treatment goal and review medical history, medications, neurological history and factors that may increase risk. Screening for implanted electronic or metallic devices and seizure-related risk is particularly important.[5][12]

During treatment, the patient remains awake and is normally seated or reclined. The applicator is positioned over the treatment target, stimulation is adjusted according to the protocol and motor-threshold assessment, and magnetic pulses are delivered in repeated sequences. Patients may notice rhythmic tapping, pulsing or scalp sensations during stimulation. TMS does not require general anaesthesia.[5][7]

The practical details vary with the device and protocol. What should not vary is the clinical principle: an EXOMIND session is a medical neuromodulation procedure, not simply a relaxation or wellness session.

Figure 2

What Happens During an EXOMIND Session?

1

Screen & Assess

Review the treatment goal, medical history, medications, implants and seizure-risk factors.

2

Position

The patient remains awake and seated or reclined while the applicator is positioned over the treatment target.

3

Set Stimulation

Stimulation intensity is adjusted according to the protocol and the patient's motor threshold and tolerance.

4

Stimulate

Magnetic pulses are delivered in repeated sequences. Patients may feel tapping or pulsing at the scalp.

5

Review

The clinician checks tolerance, discusses symptoms or side effects and plans the next session if appropriate.

Figure 2. Typical EXOMIND/ExoTMS treatment flow, simplified for patient education. Exact protocol, target and session duration depend on the indication and device instructions.

04

4. How Long Is a Session and How Many Treatments Are Needed?

BTL describes EXOMIND sessions as taking under 30 minutes. Published ExoTMS protocols have used treatment periods of about 24.5 minutes. A patient should also allow time for assessment, positioning and clinical review.[2][7]

There is no single EXOMIND schedule that applies to every indication. A 2026 review identified eight ExoTMS studies involving 182 actively treated participants, with protocols using four to six sessions. Individual registered trials have also used four or six sessions at different intervals.[6][8][9][10]

This is different from many conventional depression-TMS protocols, which have historically involved much more frequent treatment over several weeks. A shorter ExoTMS course may reduce treatment burden, but it should not be presented as proof that ExoTMS is universally more effective than conventional TMS. The comparison depends on the indication, protocol and evidence.

05

5. Who May Be Suitable for EXOMIND?

Suitability depends on the reason for treatment, the patient's history and the exact protocol. The Malaysian Medical Device Authority's registration for EXOMIND identifies repetitive TMS as the device purpose and includes treatment of major depressive disorder (MDD) in adults who have not achieved satisfactory improvement with prior antidepressant medication, with specified applications involving comorbid anxiety symptoms in MDD, adult OCD and binge-eating disorder. These are regulatory indications, not a statement that every patient with stress, poor sleep, low motivation or 'brain fog' is automatically a candidate.[1]

06

6. Is EXOMIND Safe? What Are the Risks and Precautions?

TMS has a generally favorable safety profile when appropriate screening, stimulation parameters and monitoring are used. Common short-term effects include scalp discomfort, headache, lightheadedness or fatigue. A seizure is a recognized but uncommon risk, and safety guidance emphasizes patient selection, appropriate parameters and trained operators.[5][12][13]

The 2026 ExoTMS review reported that 93.3% of participants described treatment as comfortable and that no serious adverse events were reported across the eight included studies. That is useful information about tolerability, but the evidence base is still relatively small and several studies were sponsor-related. The finding should therefore not be interpreted as proof that serious events are impossible.[6]

Metallic or electronic implants require particular attention because of the magnetic field. Patients should not assume that an implant is safe simply because it is outside the brain. The exact device instructions and safety screening should be checked before treatment.[5]

Safety point

The most important safety questions concern patient selection, seizure risk, implants and device-specific instructions. A generally favorable TMS safety profile does not remove the need for screening.

07

7. What Does the Evidence Actually Show?

The evidence becomes clearer when it is separated into layers.

TMS as a treatment class has a large clinical literature, including controlled evidence for major depressive disorder in appropriately selected patients. Professional guidance describes TMS as an established clinical modality for selected indications.[5][13]

ExoTMS is newer. The 2026 peer-reviewed review included eight studies and 182 active-treated participants, with protocols generally using four to six sessions. It found high reported comfort, but the authors also describe a mix of study designs and indications.[6]

Specific ExoTMS studies are also still developing. A 2025 study of binge-eating symptoms reported reductions in symptom scores after six treatments, but the study was sponsored by BTL and involved a specific population. Registered studies have examined mental well-being, sleep and stress, willpower and food cravings, and brain reward pathways. Some of these studies have completed, but trial registration itself is not proof of effectiveness, and results are not necessarily available for every registered study.[7][8][9][10][11]

The practical conclusion is not that EXOMIND is 'unproven'. It is that evidence is indication-specific. A positive result for conventional rTMS in depression should not automatically be transferred to sleep, stress, cravings, focus or general wellness.

Figure 3

How Should the Evidence Be Interpreted?

Established TMS Evidence

Large clinical literature and established uses for selected indications, particularly major depressive disorder.

Device-Specific ExoTMS Evidence

A newer evidence base. A 2026 review included eight studies and 182 active-treated participants.

Newer Wellness and Behavioural Uses

Mental well-being, sleep, stress, cravings and related outcomes remain indication-specific and continue to be studied.

TMS and ExoTMS evidence are related, but they are not interchangeable.

Key point: evidence for TMS as a class does not automatically prove every EXOMIND claim.

08

8. How Should Patients Evaluate an EXOMIND Recommendation?

Before treatment, I would encourage a patient to ask six questions: What exactly are we treating? What evidence supports this exact use? Am I medically suitable? What is the local regulatory basis? How will response be measured? What happens if it does not help?

A good consultation should identify the treatment goal, explain why TMS is being considered, discuss alternatives where relevant, review safety factors and define how progress will be assessed. If a clinic presents one short course as a universal solution for depression, stress, poor sleep, focus, cravings and general wellness, ask for the evidence and regulatory basis for each claim.

The same principle applies to marketing numbers. A percentage reported in promotional material may describe patient experience, satisfaction or a particular study population. It does not necessarily represent independent comparative efficacy across all patients.

Figure 4

Questions to Ask Before Treatment

1

What Exactly Are We Treating?

Ask for the diagnosis, symptoms or defined treatment goal.

2

What Evidence Supports This Use?

Ask whether the evidence is for TMS generally or for EXOMIND and the same indication.

3

Am I Suitable?

Discuss medications, implants, seizure history and other relevant medical factors.

4

What Is the Local Regulatory Basis?

Ask what the device is registered for in Malaysia and whether the proposed use matches it.

5

How Will We Measure Response?

Agree on the outcome being monitored and when treatment will be reviewed.

6

What if It Does Not Help?

Ask about alternatives, follow-up and when the treatment plan would change.

Figure 4. Patient checklist for an evidence-led EXOMIND consultation.

09

9. Frequently Asked Questions

10

10. Conclusion / TL;DR

EXOMIND is a BTL system for delivering TMS through ExoTMS technology. Its mechanism is based on electromagnetic induction, and the treatment is non-invasive. Published ExoTMS studies generally use short courses of four to six sessions, but the exact protocol depends on the indication.

The important distinction is between what is established for TMS as a treatment class and what is specifically demonstrated for EXOMIND. TMS has substantial evidence for selected clinical uses, while device-specific and broader wellness applications have a newer and more limited evidence base.

If you are considering EXOMIND, the useful question is not simply 'Does it work?' Ask instead: what problem are we treating, what evidence supports this exact use, am I suitable, how is the treatment regulated locally, and how will we know whether it is helping?

Educational next step

If you are considering EXOMIND, ask what condition or goal is being treated, what evidence supports that exact use, whether you are medically suitable, what the local regulatory basis is and how your response will be monitored.

Sources & References

The following sources were used to verify the clinical, scientific and regulatory information in this article. Accessed/reviewed 26 September 2026.

  1. [1] Medical Device Authority, Ministry of Health Malaysia. (2026). EXOMIND, Medical Device Registration No. GB6594125-201327.
  2. [2] BTL. (2026). EXOMIND: Strengthen Your Mind.
  3. [3] U.S. Food and Drug Administration. (2026). 510(k) Premarket Notification K260691: BTL-699.
  4. [4] National Institute of Mental Health. Brain stimulation therapies.
  5. [5] U.S. Food and Drug Administration. (2011). Class II Special Controls Guidance Document: Repetitive Transcranial Magnetic Stimulation (rTMS) Systems.
  6. [6] Pánek, D., et al. (2026). Innovations in repetitive transcranial magnetic stimulation: a review of clinical evidence and patient-reported outcomes for ExoTMS. Frontiers in Psychiatry, 17, 1850212.
  7. [7] Pánek, D., & Donchev, T. S. (2025). ExoTMS transcranial magnetic stimulation for the reduction of binge eating symptoms. Psychiatry and Clinical Neurosciences Reports, 4, e70200.
  8. [8] ClinicalTrials.gov. NCT06899646. EXOMIND (BTL-699-2) for improvement of mental well-being.
  9. [9] ClinicalTrials.gov. NCT07027657. EXOMIND (BTL-699-2) for improvement of sleep quality and reduction of stress.
  10. [10] ClinicalTrials.gov. NCT07056036. EXOMIND (BTL-699-2) for improvement in willpower and food cravings.
  11. [11] ClinicalTrials.gov. NCT07024550. Impact of the EXOMIND (BTL-699-2) on the brain reward pathway.
  12. [12] Rossi, S., et al. (2021). Safety and recommendations for TMS use in healthy subjects and patient populations. Clinical Neurophysiology, 132(1), 269–306.
  13. [13] Perera, T., et al. (2016). The Clinical TMS Society Consensus Review and Treatment Recommendations for TMS Therapy for Major Depressive Disorder. Brain Stimulation, 9(3), 336–346.

This article changes as evidence, product approvals and regulations evolve. It is for general education, not personalised medical advice, so always confirm your own suitability, risks and options with a qualified doctor.

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